<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .bigbox{
            width: 100%;
            height: 100%;
            position: relative;
            z-index: -1;
        }
        .bigbox .box{
            width: 500px;
            height: 800px;
            position:absolute;
        }
    </style>
</head>
<body>
    <div class="bigbox">
        <img src="../作业/f1_1.jpg" alt="">
        <div class="box">
            <img src="../作业/image/font1.png" alt="">
        </div>
    </div>
</body>
</html>